Nearly a year ago, Netgear announced Arlo Smart, a new service built using artificial intelligence that would add new features like person detection and smart notifications to improve the experience with Arlo cameras across the board. Now that service is here, and Arlo Smart will bring a host of new features, including the ability to remotely call 911, cloud activity zones, and rich notifications to every Arlo camera the company has released — for a small fee.

There are three main aspects of Arlo Smart. The first is person detection, which is designed to cut down on the number of false positive notifications users of any smart camera know about all too well. Netgear says person detection will stop false positives that have popped up in...